Magnetic Properties of Zn0.5Ni0.5Fe2 O 4: the Effect of Synthesis Route

被引：0
作者：
Msomi, J. Z. [1 ]
Moyo, T. [2 ]
Roos, W. D. [3 ]
Jafta, C. J. [3 ]
机构：
[1] Univ Witwatersrand, Sch Phys, ZA-2050 Johannesburg, Johannesburg, South Africa
[2] Univ KwaZulu Natal, Sch Chem & Phys, P Bag X54001, ZA-4000 Durban, South Africa
[3] Univ Free State, Dept Phys, ZA-9300 Bloemfontein, South Africa
来源：
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2017年 / 30卷 / 11期
关键词：
Ferrite; Magnetic nanoparticles; Magnetization; Mossbauer spectroscopy; MOSSBAUER; NANOPARTICLES; FERRITES; XPS; XRD;
D O I：
10.1007/s10948-016-3763-0
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Zn0.5Ni0.5Fe2 O (4) nanoparticles have been produced by glycol-thermal reaction and high-energy ball milling. The synthesis route appears to have some effects on the magnetic properties. The Mossbauer spectra indicate ordered magnetic state. The Curie temperature (T (C) ) was measured by zero velocity Mossbauer technique and found to be 548 +/- 3 K for the bulk Zn0.5Ni0.5Fe2 O (4) oxides. A higher T (C) = 583 +/- 3 K has been observed for the same compound produced by milling. This is attributed to the redistribution of Zn atoms on both tetrahedral (A) and octahedral (B) sites in the milled compounds. The magnetization measurements indicate superparamagnetic nature of the nanosized particles.
引用
收藏
页码：3321 / 3325
页数：5
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